Re: [PATCH v3] Allow applying filters to summary consecutively

[Gregory Heytings]

> > I just tried Rmail, again I had a very positive impression, and again I 
> > regret that it works only with mbox files and not with Maildirs.
>
> I don't think that's too hard to implement, maybe I'll take a look.

That would be great!

> Another option I proposed some time ago is to discard the global 
> variable entirely and make separate commands like 
> rmail-summary-further-by-*, for example 
> rmail-summary-further-by-recipients.

If I may, I would suggest something different: an option to query the user 
how they want the rmail-summary-by-* command to be applied: on the entire 
folder, to limit the existing summary, to extend the existing summary.